我的用户名大概也可以简写成u5r什么的（
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Replying to @upsuper
u1s2er?

Aug 13, 2016 · 7:27 PM UTC

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Replying to @davidbaron
but why so complicated... isn't the rule just "first letter + (length - 2) + last letter"?
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username: "user" (with some extra numbers)
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